2402323123 has 4 divisors (see below), whose sum is σ = 2438178760. Its totient is φ = 2366467488.

The previous prime is 2402323117. The next prime is 2402323129. The reversal of 2402323123 is 3213232042.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2402323117) and next prime (2402323129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402323123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2402323094 and 2402323103.

It is not an unprimeable number, because it can be changed into a prime (2402323129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17927718 + ... + 17927851.

It is an arithmetic number, because the mean of its divisors is an integer number (609544690).

Almost surely, 2^2402323123 is an apocalyptic number.

2402323123 is a deficient number, since it is larger than the sum of its proper divisors (35855637).

2402323123 is an equidigital number, since it uses as much as digits as its factorization.

2402323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35855636.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2402323123 is about 49013.4993955747. The cubic root of 2402323123 is about 1339.2977539328.

Adding to 2402323123 its reverse (3213232042), we get a palindrome (5615555165).

The spelling of 2402323123 in words is "two billion, four hundred two million, three hundred twenty-three thousand, one hundred twenty-three".